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Finding the Fourth Proportional to 73,662.26, 101,651.22 and 45,029.88

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Solution

The fourth proportional to 73,662.26, 101,651.22 and 45,029.88 is: 62,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,662.26 : 101,651.22 = 45,029.88 : x
  2. Step 2: Convert to fraction form
    73,662.26/101,651.22 = 45,029.88/x
  3. Step 3: Cross multiply
    73,662.26x = 101,651.22 × 45,029.88
  4. Step 4: Simplify right side
    73,662.26x = 4,577,342,238.45
  5. Step 5: Solve for x
    x = 4,577,342,238.45/73,662.26
  6. Step 6: Final answer
    x = 62,139.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.